package chapter_twentyFour.text354;

/**
 * Data time:2021/11/22 16:11
 * StudentID:2019112118
 * Author:hgw
 * Description: 儿童票折扣类，充当具体策略类
 */
public class ChildrenDiscount implements Discount{

    private final double DISCOUNT = 10;
    @Override
    public double calculate(double price) {
        System.out.println("儿童票：");
        if (price >= 20) {
            return price - DISCOUNT;
        } else {
            return price;
        }
    }
}
